GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1999 🢒 Park Avenue 🢒 Body and Accessories 🢒 Instrument Panel, Gauges, and Console 🢒 LOW COOLANT Warning Not Operating Properly

Step

Action

Value(s)

Yes

No

1

Did you perform the Instrument Cluster Diagnostic System Check?

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Go to Step 2

Go to Diagnostic System Check - Instrument Cluster

2
  1. Turn the ignition switch to the ON position.
  2. Connect the scan tool.
  3. Select the Instrument Cluster Input Menu.

Does the low coolant level input data on the scan tool match the DIC warning message?

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Go to Engine Controls

Go to Step 3

3

Replace the instrument cluster (IPC). Refer to Instrument Cluster (IPC) Replacement.

Did you complete the repair?

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Go to Instrument Cluster System Check

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